This part is the switch assembly only

this OEM cleaning solution is the standard for both manufacturers

Precision Alignment: Features two set screws—one over the key and one at 90 degrees—for secure positioning on the shaft

it ensures efficient energy conservation by preventing steam loss while continuously discharging air and non-condensable gases

it simplifies low voltage wiring and ensures secure connections during field replacement

ASCO 8220G403 Solenoid Valve Freon This part is the switchThe ASCO 8220G403 is a high performance 2 way normally closed solenoid valve designed specifically for demanding steam and hot water applications. This pilot operated solenoid valve features a robust brass body and a 3 8" NPT connection, ensuring reliable fluid control in industrial HVACR systems. Engineered with a durable EPDM diaphragm, it manages high temperature media with ease, supporting a pressure range of 5 125 PSI for steam and 5 150 PSI for